Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with graphical user interface, showing our new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The outer perimeter illustrated by a pair of dashed lines represents the display screen or portion thereof and forms no part of the claimed design. The remaining broken lines in the figures illustrate portions of the graphical user interface that form no part of the claimed design. Gray surface shading in the figures illustrates a contrast of appearance. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 